RFR: 8268250: Class.arrayType() for a 255-d array throws undocumented IllegalArgumentException [v2]

[Joe Darcy]

> Make explicit illegal argument cases of Class.arrayType.
> 
> Please also review the corresponding CSR: https://bugs.openjdk.java.net/browse/JDK-8268300

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Add missing ending newline.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4382/files
  - new: https://git.openjdk.java.net/jdk/pull/4382/files/d26fe1e4..088e025f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4382&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4382&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4382.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4382/head:pull/4382

PR: https://git.openjdk.java.net/jdk/pull/4382